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Passive Buzzer

As leading passive piezo buzzer manufacturer,  Our product lineup includes a comprehensive selection of miniature piezo buzzer models, characterized by their small footprint and low profile, making them ideal for space-constrained electronics. These miniature piezo buzzer units deliver clear, consistent audio output while maintaining excellent power efficiency. Whether you need a compact Φ10.0mm or a robust Φ22.0mm component, our passive piezo buzzer series offers multiple voltage options (3V, 5V, 9V, 10V, 12Vp-p) and sound pressure levels (70dB to 85dB).


Key advantages of our passive piezo buzzer include high energy efficiency, low power consumption, and a broad operational frequency range (2KHz to 5.2KHz), making them perfect for battery-powered devices and applications where power management is critical. As a leading manufacturer, we support full OEM/ODM customization for your specific miniature piezo buzzer requirements, including dimensions, voltage, frequency, and sound output. 


5v Passive Piezo Buzzer
5v Passive Piezo Buzzer
Φ10.0x3.0H 5Vp-p 5.2KHz 75dB
5Vp-p 80dB Passive Piezo Buzzer
5Vp-p 80dB Passive Piezo Buzzer
Φ12.0x5.5H 5Vp-p 4KHz 80dB
9Vp-p 80dB Passive Piezo Buzzer
9Vp-p 80dB Passive Piezo Buzzer
Φ12.0x5.5H 9Vp-p 4KHz 80dB
10Vp-p 5KHz 80dB Passive Piezo Buzzer
10Vp-p 5KHz 80dB Passive Piezo Buzzer
Φ13.0x6.5H 10Vp-p 5KHz 80dB
3Vp-p 4KHz 70dB Passive Piezo Buzzer
3Vp-p 4KHz 70dB Passive Piezo Buzzer
Φ13.0x7.0H 3Vp-p 4KHz 70dB
3Vp-p 70dB Passive Piezo Buzzer
3Vp-p 70dB Passive Piezo Buzzer
Φ13.0x7.0H 3Vp-p 4KHz 70dB
Passive Piezo Buzzer
Passive Piezo Buzzer
Φ14.0x7.0H 9Vp-p 4KHz 85dB
Passive Piezo Buzzer
Passive Piezo Buzzer
Φ17.0x4.0H 5Vp-p 4KHz 80dB
5v Piezo Buzzer
5v Piezo Buzzer
Φ17.0x8.0H 5Vp-p 4KHz 80dB
Passive Piezo Buzzer
Passive Piezo Buzzer
Φ17.0x9.8H 9Vp-p 2KHz 80dB
3Vp-p Micro Passive Piezo Buzzer
3Vp-p Micro Passive Piezo Buzzer
Φ22.0x8.0H 3Vp-p 4KHz 78dB
12V 4KHz 85dB Passive Piezo Buzzer
12V 4KHz 85dB Passive Piezo Buzzer
Φ22.0x8.0H 12Vp-p 4KHz 85dB
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FAQs about

Does a passive buzzer need a resistor?

While a passive buzzer can operate without a resistor, it is generally recommended to add a current-limiting resistor in series. The resistor helps control the current flow, protects the buzzer from potential overcurrent damage, reduces power consumption,

How to test a passive buzzer?

To test a passive buzzer, you can use a function generator or a microcontroller to apply an AC square wave signal at its rated voltage (e.g., 5V) and a typical frequency (e.g., 2-4 kHz). If it emits a clear tone, it is functioning. Alternatively, with a m

What is the difference between a passive buzzer and a speaker?

Both a passive buzzer and a speaker are transducers that convert electrical signals into sound, but they differ in design and application. A passive buzzer is optimized to produce a specific, often narrow-range frequency tone (e.g., 2-5 kHz) for clear ale

How to use a passive buzzer?

A passive buzzer requires an external driving circuit to function. Connect it to a microcontroller (e.g., Arduino, Raspberry Pi) and use a PWM (Pulse Width Modulation) or square wave signal to control the frequency and amplitude, allowing it to produce di

How do I know if my buzzer is passive or active?

To identify the buzzer type, there are several methods. First, you can apply a DC voltage: an active buzzer will produce a continuous tone, while a passive buzzer will remain silent or may produce a click. You can also measure resistance with a multimeter